This places them at elevated risk for B12 deficiency, and standard oral supplementation may not provide adequate absorption
Vitamin B12 injections usually dont cause side effects for most people
The most recent report: Eagle Analytical Services is an independent FDA-registered laboratory, A2LA accredited to ISO 17025, based in Houston, Texas
Without enough healthy red blood cells, your scalp receives less oxygen, and hair follicles may struggle to function optimally
Always good to have a reason I have also had this happen when my folate was low , it may be worth you getting it checked I had self inject my B12 every 4 weeks for the last 20+ (cannot really remember how long accurately), and 2 months ago got a similar 'electric shock tingling' all over my body - head, face, arms, hands, legs, feet etc within a couple of minutes of injecting, which lasted about 3 seconds or so